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best range speed

best range speed (VIMR)

best range speed (VIMR)click for a larger image
The speed that gives the maximum number of air miles for each unit by weight of fuel (if the wind is not considered). It is the speed at which the tangent from the origin meets the power-required curve.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
References in periodicals archive
An airplane's best range speed is the one covering the greatest distance for each pound (or gallon, or tank) of fuel.
Another factor affecting best range speed is the wind.
Off the charts: your airplane's absolute best range or endurance power settings and speeds may not be published. If you need either one, start with the power-off best glide speed
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